docs: def status(self, agreement_id):
          """
          Get the status of a service agreement.
  
          :param agreement_id: id of the agreement, hex str
          :return: dict with condition status of each of the agreement's conditions or None if the
          agreement is invalid.
          """
          condition_ids = self._keeper.agreement_manager.get_agreement(agreement_id).condition_ids
          result = {"agreementId": agreement_id}
          conditions = dict()
          for i in condition_ids:
              conditions[self._keeper.get_condition_name_by_address(
                  self._keeper.condition_manager.get_condition(
                      i).type_ref)] = self._keeper.condition_manager.get_condition_state(i)
          result["conditions"] = conditions
          return result